89659144919 has 2 divisors, whose sum is σ = 89659144920. Its totient is φ = 89659144918.

The previous prime is 89659144903. The next prime is 89659144943. The reversal of 89659144919 is 91944195698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89659144919 - 2⁴ = 89659144903 is a prime.

It is a super-2 number, since 2×89659144919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89659144979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44829572459 + 44829572460.

It is an arithmetic number, because the mean of its divisors is an integer number (44829572460).

Almost surely, 2^89659144919 is an apocalyptic number.

89659144919 is a deficient number, since it is larger than the sum of its proper divisors (1).

89659144919 is an equidigital number, since it uses as much as digits as its factorization.

89659144919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 65.

The spelling of 89659144919 in words is "eighty-nine billion, six hundred fifty-nine million, one hundred forty-four thousand, nine hundred nineteen".